Boundary Channel Humpback Bridge Replacement Project - Enhancing Safety and Improving Traffic Flow

• more information
• map
• www.humpbackbridge.dot.gov

Columbia Island Marina has a home for your power boat. Located in the Pentagon lagoon, just one and a half miles north of National Airport on the George Washington Memorial Parkway in Metropolitan Washington, DC. Operated by Guest Services, Inc., a concessionaire for the National Park Service, the marina sits in the beautiful Lyndon B. Johnson Memorial Grove.

If you are looking for a relaxed, friendly, and convenient environment for your boat, you've just found it.